Which of the following arterial blood gas values would indicate a need for oxygen therapy?

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The amount of oxygen administered depends on the pathophysiologic mechanisms affecting the patient's oxygenation status.In most cases,the amount required should provide an arterial partial pressure of oxygen (PaO₂)of greater than 60 mm Hg or an arterial hemoglobin saturation (SaO₂)of greater than 90% during both rest and exercise.

Which of the Following Arterial Blood Gas Values Would Indicate